
<a href="<?php echo ABS_URL.'?page=contact'?>">Contact admin</a> <a href="">Help</a>
<?php
global $page;
if(isset($_SESSION["username"])){
         $class_atb = $page=='sign'?'class="active"':'class="inactive"';
            echo '<a 
                    href="'.ABS_URL.'?page=sign&act=out"
                    onclick="return confirm(\'Are you sure you want to log out?\');">
                    Logout ['.$_SESSION["username"].']
                </a>';
    }
?>